EP 0896229 A3 20000419 - Anti-fogging and anti-reflection optical article
Title (en)
Anti-fogging and anti-reflection optical article
Title (de)
Optischer Gegenstand mit Beschlagverhinderungs- und Antireflex-Eigenschaften
Title (fr)
Objets optiques ayant des propriétés anti-buée et antireflet
Publication
Application
Priority
JP 21326997 A 19970807
Abstract (en)
[origin: EP0896229A2] Disclosed herein is an anti-fogging and anti-reflection optical article which comprises a substrate, a first water-absorbing film provided on the substrate, a thin film of high refractive index provided on the first water-absorbing film, and a second water-absorbing film provided on the thin film of high refractive index, wherein the first water-absorbing film contains a water-absorbing polymer and provided on the substrate, the thin film of high refractive index comprises a polycondensation product of a hydrolysate of a metal alkoxide, and the second water-absorbing film comprises a water-absorbing polymer.
IPC 1-7
IPC 8 full level
A44B 18/00 (2006.01); A61F 13/15 (2006.01); A61F 13/62 (2006.01); B32B 27/12 (2006.01); D04H 13/00 (2006.01); G02B 1/10 (2006.01); G02B 1/11 (2006.01)
CPC (source: EP US)
A44B 18/0011 (2013.01 - EP US); A61F 13/51462 (2013.01 - EP US); A61F 13/5148 (2013.01 - EP US); A61F 13/62 (2013.01 - EP US); B32B 27/12 (2013.01 - EP US); G02B 1/10 (2013.01 - EP US); G02B 1/11 (2013.01 - EP US); G02B 1/18 (2015.01 - EP US); A61F 2013/15544 (2013.01 - EP US); Y10S 428/913 (2013.01 - EP US); Y10T 428/24942 (2015.01 - EP US); Y10T 428/2495 (2015.01 - EP US); Y10T 428/265 (2015.01 - EP US); Y10T 428/31638 (2015.04 - EP US); Y10T 428/31645 (2015.04 - EP US); Y10T 428/31649 (2015.04 - EP US); Y10T 428/31667 (2015.04 - EP US)
Citation (search report)
- [E] EP 0871046 A1 19981014 - CANON KK [JP]
- [A] EP 0782015 A2 19970702 - CANON KK [JP], et al
- [A] WO 9108241 A1 19910613 - VIRGINIA TECH INTELL PROP [US]
- [A] EP 0716051 A2 19960612 - YAMAMOTO TOHRU [JP]
- [A] WO 9618918 A1 19960620 - MINNESOTA MINING & MFG [US]
Designated contracting state (EPC)
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
DOCDB simple family (publication)
EP 0896229 A2 19990210; EP 0896229 A3 20000419; EP 0896229 B1 20050406; CN 1090084 C 20020904; CN 1214299 A 19990421; DE 69829612 D1 20050512; DE 69829612 T2 20050908; TW 401515 B 20000811; US 6394613 B1 20020528
DOCDB simple family (application)
EP 98114586 A 19980803; CN 98119935 A 19980807; DE 69829612 T 19980803; TW 87112841 A 19980804; US 12760698 A 19980731